Twenty-six more cases have been identified in a multistate E. coli O157:H7 outbreak linked to McDonald's Quarter Pounder burgers, the Centers for Disease Control and Prevention announced Friday. The 26 new cases represent a 50 percent increase in the case count from October 22, bringing the total to 75 cases. With the new cases, health officials also reported 12 more hospitalizations, including one new adult case of hemolytic uremic syndrome (HUS), a severe complication to an E.